This Prefs-internal class is used to parse * Set and * Local statements from arbitrary text, and extract settings from meta objects. It is used by TopicPrefs to parse preference settings from topics.
This class does no validation or duplicate-checking on the settings; it simply returns the recognized settings in the order it sees them in.
Construct a new parser object.
Parse settings from text and add them to the preferences in $prefs
Traverses through all PREFERENCE attributes of the meta object, creating one setting named with $settingPrefPrefix . 'title' for each. It also creates an entry named with the field 'name', which is a cleaned-up, space-removed version of the title.
Settings are added to the $prefs passed.